"I wrote about personal experiences and became more candid about them," Lovato says about her latest chart-topper, Demi. "I also feel like my lyrics were more vulnerable, and I'm just really proud of how honest I was in this album."

This footage, which also includes a video performance of In Case, can be seen only on DEMI (The Book) available on June 11 exclusively in the iBookstore. Click here to visit Lovato's official website for more.